CN104428586B - Lighting unit for a headlight - Google Patents
Lighting unit for a headlight Download PDFInfo
- Publication number
- CN104428586B CN104428586B CN201380037987.8A CN201380037987A CN104428586B CN 104428586 B CN104428586 B CN 104428586B CN 201380037987 A CN201380037987 A CN 201380037987A CN 104428586 B CN104428586 B CN 104428586B
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- CN
- China
- Prior art keywords
- light
- light element
- light source
- lighting unit
- lightguide
- Prior art date
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Links
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- 230000003287 optical effect Effects 0.000 claims description 32
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- 238000002347 injection Methods 0.000 claims description 7
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- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
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- 230000002349 favourable effect Effects 0.000 description 2
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- 230000012447 hatching Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
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- 238000000149 argon plasma sintering Methods 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Planar Illumination Modules (AREA)
Abstract
In a lighting unit (1) for a headlight, in particular a vehicle headlight, composed of multiple light sources (2) and a light-guiding unit (3) with multiple light-guiding means (6), in each case a light-guiding means (6) is assigned to one light source (2), and the light-guiding unit (3) is composed of at least two components (4, 5) which can be connected to one another, wherein a light-source-side component (4) of the light-guiding unit (3) is arranged between the light sources (2) and an irradiation-side component (5) of the light-guiding unit (3), in the irradiation direction of the light-guiding unit (3).
Description
Technical field
The present invention relates to a kind of lighting unit for headlight, especially headlight for vehicles, by many light sources and with many
The light element composition of lightguide.
Background technology
Common this lighting unit and the distance light for forming free from glare in vehicle structure, by making generally by many
The light that artificial light sources is projected boundling on direction is projected by corresponding many lightguides being arranged side by side.Lightguide has relatively slight
Cross section and therefore make with being respectively attached to the light of their light source very optically focused project direction on project.In AT 510 437
An optical module is disclosed in A4 related to thisly, it has the lightguide of light conductor form（It is referred to as opticaltunnel there）And
Many light sources.
Preferred light source especially light emitting diode within the scope of the present invention（LED）, they are characterised by very micro-
Specular removal during small physical dimension.For above-mentioned application, light emitting diode has the edge in a micron and smaller scope long
Spend and be directly arranged side by side at matrix the inside, be arranged in groups on public circuit board, wherein this matrix or light
The outer shape of group corresponds to the light shape that transmit.Lightguide is equally directly abreast set in light element, for
Uniform light shape is produced when providing each dimension of light source, is thus forced between each lightguide being for example made up of reflector
Wall body is very thin.This causes the increased expense when light element is processed, and they are generally made up of injection.In addition in lightguide
Between thin-walled when the light source heat input that is used be a problem, especially when the change that used thermoplastic piece is reached for injection part
When shape temperature, or the material for being used is subject to other heat injuries.It is in this light element further disadvantage is that, micro-
The uniform coating of reflector surface is no longer reliably achieved during small lightguide cross section, because being steamed for the aluminium steam of coating
The entire depth the inside of light conductor can not possibly be distributed to during hair.
The content of the invention
Therefore the purpose of the present invention is so to improve the lighting unit of above-mentioned form, it is to avoid the defect.
This purpose is achieved according to the present invention, and each lightguide is attached to each light source, and the light element
By at least two be connected with each other parts constitute, and the light source side of the light element part in the injection side of light element
Set up between the part of the emitting side in light source and light element.Therefore it is described according to lighting unit of the invention
Light element is made up of at least two parts, their such settings, light element is projected direction perpendicular to the light of light element
At least it is divided into two bodies.Therefore the lightguide is again divided into two bodies in a longitudinal direction thereof, thus can be cast in processing shorter
Lightguide section.In other words, it means that, each lightguide is not only provided at the light source side inside components of light element, and sets
In the emitting side inside components of light element.Which reduce the hidden danger of misrun casting and allow for different fixed cell portions
Part uses different materials, and they can optimization or the selection in terms of its heat resistance in terms of its rheological behavior according to demand.
This can be realized in face of the guide-lighting single of light source for giving lightguide geometry with the processing charges of relative pettiness
Component.Related to this to specify according to the preferred embodiments of the present invention, the part of the light source side of the light element is directly connected to
On light source.This causes more or less the light of radiating light source completely to lightguide the inside, to be achieved in the optimal gain of light.
Preferably specify, the part of the light source side of the light element is by the part than light element emitting side more resistant to heat
Material is made.Can be especially heat-resisting plastics in this heat proof material, wherein thermosetting plastics can also be processed.In addition can also
Envision, the part of the light source side of the light element is made by ceramics, by metal or by mineral glass.
But it is also required to the high degree of flexibility in terms of material is selected for the part of the emitting side of light element.Therefore press
According to preferred embodiment regulation, the part of the emitting side of the light element is more meltable by the part of the light source side than light element
Thermoplastic be made.Especially meltable thermoplastic is general less than viscous material heat-resisting, but according to of the invention
The special expansion structure of light element, the part of the light source side that the heat of light source passes through light element is received and by this portion
Part is dissipated, and critical-temperature is not thus produced on emitting side.
In order that light element power optimization, preferably specifies, the reflective surface ground coating of the lightguide, especially
With aluminum cladding.Reflecting surface coating is realized by evaporation mostly, wherein also to the greatest extent may be used herein according to light element part of the invention
Can equably coating reflecting surface aspect it is more favourable than prior art because aluminium steam be easily squeezed into it is separate and therefore relatively
Inside lightguide in the short part of the light source side in light element and the part of emitting side.
In order to scatter light on the division surface of the light element part passed through by lightguide according to the present invention as few as possible,
This will reduce the luminous power of lighting unit, specify according to the preferred embodiments of the present invention, the portion of the light source side of the light element
The part of the emitting side of part and light element has fixation, for fixing two parts of light element at it perpendicular to penetrating
The relative position of outgoing direction.In this way can fixed cell part formed structure when and casting when or
Say and be responsible for when other are processed, the part of light element is reliably assembled, make the mutual centering of reflecting surface and therefore make to lead
Body of light does not have seamed edge or step as far as possible inside it, thereon the light scattering of light source or obstruction.According to of the invention preferred
Embodiment, the part of the light source side of the light element has reference pins, and the part of the emitting side of the light element has
There is the datum hole for being attached to reference pins.The reference pins and corresponding datum hole are responsible for additionally making two parts of light element
Mutually centrally it is aligned.This expression way should also include that the phase reaction of this principle is used in the sense of the present invention.
In order to two parts for light element can be utilized most preferably in terms of the injection and in terms of lightguide coating
Above-mentioned advantage, the preferably following improvement of the present invention, the part of the light source side of the light element and the emitting side of light element
Part interfixes in its relative position on the mutual corresponding surface of bending.Depth of the lightguide in light element
Difference, thus make each lightguide optocoupler be arranged on bending plane the inside, as explain in further detail below that
Sample.Different depth can be distributed on two parts of light element in this preferred embodiment of the invention, therefore respectively
The depth as few as possible with coating only need to be cast.
According to alternative of the invention, the part of the emitting side of the light element has many optical conductors.In this hair
Optical conductor in the sense that bright is interpreted as a kind of structure, and on the one hand incident light is reflected by total reflection on wall body wherein, separately
On the one hand wherein optical diffraction to perpendicular to optical conductor.The optical conductor is used in this case, makes the light from lightguide
Assemble and projected on possible rearmounted optical system, the direction for example in the form of lens.Have confirmed herein according to
It is favourable that the present invention separates light element, if photoconductor material is sensitive relative to heat.It is related to this preferred, the light
Conductor is made up of transparent plastic.Therefore can abandon using expensive glass, because can according to lighting unit of the invention
Optical conductor the inside is input to the heat for keeping corresponding pettiness.
But can also alternatively or additionally specify according to the present invention, the part of the light source side of the light element has to be permitted
Many optical conductors.This point is easily achieved by the present invention according to optics purpose, as long as in the part of the light source side of light element
The heat input of area source is not too many.
Preferably it can be stated that each optical conductor on the part of the emitting side of light element is attached to each leaded light
Reflector on the part of the light source side of device, especially light element, it is possible thereby to make the light from each lightguide most preferably
Continue to conduct.Optical conductor has the end portion of step, and it is embedded into corresponding reflector the inside.Due in process technology
Reason must make the optical conductor for being attached to lightguide that the end plate of public emitting side is joined in emitting side herein.In such case
Under, the optocoupler of each optical conductor appears to be located on the surface of the emitting side of the end plate of emitting side.The table of the emitting side of the end plate
Face is bending and due to the imaging area arching of rearmounted lens, and thus making all optocouplers of each lightguide, appear can be saturating
Mirror is clearly projected in light path.
Preferably specify, the light source side of the part of the light source side of the light element surface is with aluminum cladding and does not reflect
Ground japanning.Undesirable reflection is prevented in this way, and they may cause to scatter light.
Selectively can specify in the present invention, the light element is fixed on light-source box using support.
Brief description of the drawings
The present invention is explained in detail below by way of the embodiment for showing in the accompanying drawings.It is shown in the drawings：
Fig. 1 according to lighting unit of the invention according to the hatching I-I of Fig. 2 sectional axonometric drawing,
Fig. 2 according to lighting unit of the invention front view,
Fig. 3 according to lighting unit of the invention light source side exploded view,
Installation situations of the Fig. 4 according to lighting unit of the invention at it on light-source box from the exploded view of emitting side,
Fig. 5 according to the broken section of another embodiment of lighting unit of the invention stereogram,
Fig. 6 according to lighting unit of the invention according to the hatching VI-VI of Fig. 2 vertical cross section,
Profile of Fig. 7 lightguides in variant meaning of the invention,
Fig. 8 is according to lighting unit of the invention and the diagrammatic side view of the lens for being attached to this lighting unit.
Specific embodiment
Represented according to lighting unit of the invention with 1 in Fig. 1.Lighting unit 1 is basic by many light sources 2 and a leaded light
Unit 3 is constituted.Light element 3 according to so construction of the invention, make the light source side of light element 3 part 4 be arranged on light source 2 with
Between the part 5 of the emitting side of light element 3.Important according to the present invention herein is only to be provided with the independent part of light element 3
Part 4, is thus also also provided with other parts in addition to the part 4 and 5 for determining, they constitute lightguide together.Lightguide 6
Be attached to each light source 2, wherein lightguide 6 not only light element 3 light source side the inside of part 4 and also in light element 3
The part 5 of emitting side extend within or formed by them.Light source 2 can have only one or more LED chip.Attached
Unique light source is only shown, but it is clear that each lightguide 6 is attached to each light source 2 in figure.Led in the example according to Fig. 1
Light device 6 has with the reflecting surface 7 of aluminium-vapour deposition.In Fig. 1 it is also seen that light source 2 is directly abreast set, therefore reflecting wall 8 also must
Must adjoin each other and be therefore unusual thin-walled.It is fixed together by using fixation 9 and is calibrated and realizes light element 3
Assembling.Obviously, two parts 4 and 5 of light element 3 can essentially be connected using various forms according to purpose, is especially led to
Cross positioning, bolt or bonding.Can be selected for the part 4 of the light source side of light element 3 by dividually constructing light element 3
Select using the material different from the part 5 of the emitting side of light element 3.The use of part 4 particularly with light source side is especially heat-resisting
Plastics, or other materials with high-fire resistance, and the part 5 of emitting side can for the reflecting wall 8 for reliably casting thin
It is made with by especially meltable thermoplastic.Two parts 4,5 of light element 3 are fixed on selectable branch in Fig. 1
On frame 16 or this support the inside is contained in, it is used for the shown in fig. 4 light-source box 17 of fixed component.Represented by 19
Interval body, it ensure between the part 4 and the light source 2 that is arranged on light-source box 17 of the light source side of light element 3 be adapted to away from
From.In Fig. 1 it is also seen that the part 5 of the emitting side of the part 4 of the light source side of light element 3 and light element 3 is in bending and phase
Interfixed in its relative position on mutual corresponding surface.This bending follow figure 8 illustrates lens 15 imaging area
Arching.
Same parts are furnished with same reference numerals in fig. 2, illustrated in Figure 1 where it can be seen that, constituted in the inside of light element 3 net horizontal
Section, they constitute lightguide 6.In order to ensure, two parts 4 and 5 of light element 3 are centrally constituted and also when long
Between run in keep stably being aligned each other, be provided with reference pins 10,10 ', they be attached to they, be made up of elongated hole
The collective effect of datum hole 11,11 ', as especially also seen according to the accompanying drawing of Fig. 3 and 4.Base in this illustration
Quasi- hole 11 ' is made up of elongated hole, for the thermal deformation of compensating unit 4 and 5.Flange is represented by 18, it is equally used for fixed leaded light
Unit 3.
The interval body 19 on the part 4 of the light source side of lighting unit 3 is also found out in figure 3.Represented by 11 and 11 ' and used
In the datum hole of the reference pins 10 and 10 ' being contained in shown in Fig. 4.Can select to be provided with support 16, it supports light element 3.
Also illustrate light-source box 17 in fig. 4, set on its outer lateral surface in groups or matrix light source 2.Light-source box 17 is included for controlling
The circuit of each light source 2.Light-source box with each light source 2 of off and on and can make light source 2 dimmed.Can also be drawn by Fig. 4,
The injection lateral bend of light element 3.This bending follows the imaging area arching of lens 15 shown in fig. 8.
Figure 5 illustrates variant of the invention, wherein the injection sidepiece part 5 of lighting unit 3 has optical conductor 12, they with
It is attached to the reflector 13 of optical conductor 12 and constitutes lightguide 6 in the part 4 of the light source side of light element 3 together.Optical conductor 12
The end plate 12 of public emitting side is joined in emitting side ", it is that the public optocoupler of each light conductor is appeared.Light element 3
Light source side part 4 light source side surface 14 is with aluminium-vapour deposition and does not paint reflectingly, for preventing that scattering may be caused
Uncontrollable reflection of light.In Figure 5 it is also seen that the lightguide 6 being made up of reflector 13 and optical conductor 12 in this case
It is arranged to be located at three upper and lower rows, they can be using controlling the light-source box 17 of light source 2 to activate, wherein by respectively turning on row
The illumination functions of headlight are represented, light etc. is travelled on such as dipped beam, distance light, daytime.For example all rows are connected for distance light.By there is mesh
Ground disconnect a line and can produce other light distributions.Following row is used for distance light component herein, and middle row is used for HD line scopes,
Row above illuminates near field.Light function be in light element it is heterochiral and be also in vertical direction it is reverse, because
It is to realize the complete opposite of light figure by rearmounted lens described below.
Figure 6 illustrates variant of the invention, wherein two Hes of part 4 of reflector 13 or reflecting surface 7 in light element 3
Extend in 5.Light source 2 projects light to the inside of reflector 13 of assembling, and it reflects and correspondence on the reflecting surface 7 with aluminium-vapour deposition
Geometry in reflector cross section is projected.Interval body 19 on the part 4 of the light source side of light element 13 is shown in addition, it
Be substantially equal to the size of light source in its length on direction is projected, and therefore define free space, light source is set wherein.
Because each lightguide 6 has different length, and therefore light element 3 has the outer shape of bending in emitting side,
To see the end seamed edge of, lightguide 6 below farther positioned at Fig. 6 sectional planes in the position that A is represented.
The collective effect of the reflector 13 and optical conductor 12 according to Fig. 5 is shown more clearly that in the figure 7.As can be seen that light
It is placed on reflector 13 to the shape sealed of conductor 12, is thus connected directly between the end face 12 ' of the light source side of optical conductor 12 and covers
The position of reflecting surface 7 of layer.Optical conductor 12 is preferably made up of transparent plastic, and it is optically tighter than surrounding the air of optical conductor 12
Close medium, thus causes total reflection on the side face edge interface of optical conductor 12.Light also optically in more close medium to
Vertical to interrupt and be finally given to the end face 12 of emitting side " ' or on optocoupler appears.
Show out in fig. 8, lens 15 be attached to according to lighting unit of the invention 1, wherein optical axis represented with 100 and
For example intersect with lighting unit 1 on the height of the center row of lightguide 5.
List of numerals
1 lighting unit
2 light sources
3 light elements
The part of 4 light source sides
The part of 5 emitting sides
6 lightguides
7 reflectings surface
8 reflecting walls
9 fixations
10 reference pins
10 ' reference pins
11 datum holes
11 ' datum holes
12 optical conductors
The end face of 12 ' light source sides
12 " end plate of emitting side
12 " ' the end face of emitting side
13 reflectors
The surface of 14 light source sides
15 lens
16 supports
17 light-source box
18 flanges
19 interval bodies
100 optical axises
A positions.
Claims (18)
1. a kind of lighting unit for headlight（1）, by many light sources（2）With with many lightguides（6）Light element（3）
Composition, wherein, each lightguide（6）It is attached to each light source（2）, the light element（3）By at least two interconnections
Part（4,5）Composition, and the light element（3）Light source side part（4）In light element（3）Injection direction on set
Put in light source（2）With light element（3）Emitting side part（5）Between, it is characterised in that the light element（3）Light
The part of source（4）And light element（3）Emitting side part（5）Interfixed on the mutual corresponding surface of bending
Its relative position.
2. lighting unit as claimed in claim 1, it is characterised in that the light element（3）Light source side part（4）Directly
Light source is connected in succession（2）On.
3. lighting unit as claimed in claim 1 or 2, it is characterised in that the light element（3）Light source side part
（4）By than light element（3）The part of emitting side（5）Material more resistant to heat is made.
4. lighting unit as claimed in claim 1 or 2, it is characterised in that the light element（3）Emitting side part
（5）By than light element（3）Light source side part（4）More meltable thermoplastic is made.
5. lighting unit as claimed in claim 1 or 2, it is characterised in that the lightguide（6）Reflecting surface（7）Reflectingly
Coating.
6. lighting unit as claimed in claim 1 or 2, it is characterised in that the light element（3）Light source side part
（4）And light element（3）Emitting side part（5）With fixation（9）, for fixing light element（3）Two portions
Part（4,5）At it perpendicular to the relative position for projecting direction.
7. lighting unit as claimed in claim 1 or 2, it is characterised in that the light element（3）Light source side part
（4）With reference pins（10,10’）, and the light element（3）Emitting side part（5）With being attached to reference pins
Datum hole（11,11’）.
8. lighting unit as claimed in claim 1 or 2, it is characterised in that the light element（3）Emitting side part
（5）With many optical conductors（12）.
9. lighting unit as claimed in claim 1 or 2, it is characterised in that the light element（3）Light source side part
（4）With many optical conductors（12）.
10. lighting unit as claimed in claim 8, it is characterised in that the optical conductor（12）It is made up of transparent plastic.
11. lighting units as claimed in claim 8, it is characterised in that each optical conductor（12）It is attached to each lightguide
（6）.
12. lighting units as claimed in claim 8, it is characterised in that the optical conductor has the end portion of step, it
It is embedded into the lightguide（6）Corresponding reflector（13）The inside.
13. lighting units as claimed in claim 11, it is characterised in that be attached to the lightguide（6）The optical conductor
（12）The end plate of a public emitting side is joined in emitting side（12”）.
14. lighting units as claimed in claim 1 or 2, it is characterised in that the light element（3）Light source side part
（4）Light source side surface（14）Do not paint with aluminum cladding and reflectingly.
15. lighting units as claimed in claim 1 or 2, it is characterised in that the light element（3）Using support（16）Gu
It is scheduled on light-source box（17）On.
16. lighting units as claimed in claim 1, it is characterised in that the headlight is headlight for vehicles.
17. lighting units as claimed in claim 5, it is characterised in that the lightguide（6）Reflecting surface（7）With aluminum cladding.
18. lighting units as claimed in claim 11, it is characterised in that each optical conductor（12）It is attached to each lightguide
（6）Reflector（13）.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50284/2012A AT513206B1 (en) | 2012-07-18 | 2012-07-18 | Lighting unit for a headlight |
| ATA50284/2012 | 2012-07-18 | ||
| PCT/AT2013/050130 WO2014012128A1 (en) | 2012-07-18 | 2013-06-26 | Lighting unit for a headlight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104428586A CN104428586A (en) | 2015-03-18 |
| CN104428586B true CN104428586B (en) | 2017-05-17 |
Family
ID=48874730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380037987.8A Active CN104428586B (en) | 2012-07-18 | 2013-06-26 | Lighting unit for a headlight |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20150192264A1 (en) |
| EP (1) | EP2875283B2 (en) |
| JP (1) | JP6044812B2 (en) |
| CN (1) | CN104428586B (en) |
| AT (1) | AT513206B1 (en) |
| BR (1) | BR112015000694A2 (en) |
| IN (1) | IN2015MN00111A (en) |
| MX (1) | MX338221B (en) |
| WO (1) | WO2014012128A1 (en) |
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| DE102013108344B4 (en) * | 2013-08-02 | 2021-08-19 | HELLA GmbH & Co. KGaA | Lighting device for vehicles |
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| JP2016212962A (en) * | 2015-04-30 | 2016-12-15 | 日亜化学工業株式会社 | Luminaire |
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| AT518090B1 (en) * | 2015-12-21 | 2017-10-15 | Zkw Group Gmbh | Headlight for a vehicle |
| CN108474537B (en) * | 2016-01-13 | 2020-10-02 | 三菱电机株式会社 | Headlamp module and headlamp device |
| DE102016203374A1 (en) * | 2016-03-02 | 2017-09-07 | Osram Gmbh | MATRIX LIGHTING MODULE |
| JP6985806B2 (en) * | 2016-03-29 | 2021-12-22 | スタンレー電気株式会社 | Vehicle lighting |
| US10082263B2 (en) * | 2016-09-29 | 2018-09-25 | Valeo North America, Inc. | Lighting assembly for use on a vehicle |
| FR3056694B1 (en) * | 2016-09-29 | 2020-06-19 | Valeo Vision | LIGHTING DEVICE FOR A MOTOR VEHICLE COMPRISING A LIGHT GUIDE |
| US10267476B2 (en) * | 2016-12-15 | 2019-04-23 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
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| EP3578874A1 (en) * | 2018-06-04 | 2019-12-11 | ZKW Group GmbH | Lighting device for a motor vehicle headlamp |
| KR102529889B1 (en) * | 2018-06-29 | 2023-05-09 | 에스엘 주식회사 | lamp for vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104428586A (en) | 2015-03-18 |
| EP2875283A1 (en) | 2015-05-27 |
| US20150192264A1 (en) | 2015-07-09 |
| JP2015524600A (en) | 2015-08-24 |
| EP2875283B1 (en) | 2016-06-01 |
| MX338221B (en) | 2016-04-06 |
| AT513206A1 (en) | 2014-02-15 |
| IN2015MN00111A (en) | 2015-10-16 |
| AT513206B1 (en) | 2015-04-15 |
| JP6044812B2 (en) | 2016-12-14 |
| BR112015000694A2 (en) | 2017-06-27 |
| MX2015000791A (en) | 2015-05-07 |
| EP2875283B2 (en) | 2019-05-01 |
| WO2014012128A1 (en) | 2014-01-23 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Austria wieselburg Applicant after: ZKW Refco Group Ltd Address before: Austria wieselburg Applicant before: Zizala Lichtsysteme GmbH |
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